x-forwarded-for

https://medium.com/@_jonas/traefik-kubernetes-ingress-and-x-forwarded-headers-82194d319b0e

apiVersion: helm.cattle.io/v1
kind: HelmChartConfig
metadata:
    name: traefik
    namespace: kube-system
spec: 
    valuesContent:|-
        additionalArguments:
            - "--entryPoints.web.proxyProtocol.insecure"
            - "--entryPoints.web.forwardedHeaders.insecure"
            - "--accesslog=true"